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Speech Accent Profiles: Modeling and Synthesis [Applications Corner]

This invited article describes a leading work at Brunel University, sponsored by EPSRC grant GR/M98036/01, pioneering the application of signal processing methods to the modeling and synthesis of accents of English; namely British Received Pronunciation (RP), Australian (RP and Broad) and General American. The paper provides an introduction to speech accents and the acoustic-phonetic features that distinguish one accent from another. A set of statistical signal processing methods is described for the modeling, analysis, synthesis, and morphing of English accents. Objective and subjective evaluations result demonstrate the efficacy of the features and the methods in modeling the differences of accents.